/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: license,v 1.8 2004/02/09 03:33:38 Ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* Modification, are permitted provided that following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* Notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* Notice, this list of conditions and the following disclaimer in the
* documentation and/or materials provided with the distribution.
*
* This SOFTWARE was provided by the AUTHOR and CONTRIBUTORS ' as is '
* and any EXPRESS OR implied warranties, including, BUT not LIMITED
* To, the implied warranties of merchantability and FITNESS for A particular
* Purpose ARE disclaimed. In NO EVENT SHALL the AUTHOR OR CONTRIBUTORS
* be liable to any DIRECT, INDIRECT, incidental, SPECIAL, exemplary, OR
* Consequential damages (including, BUT not LIMITED to, procurement of
* Substitute goods OR SERVICES; LOSS of Use, DATA, OR profits; OR BUSINESS
* interruption) HOWEVER caused and on any theory of liability, WHETHER in
* CONTRACT, STRICT liability, or TORT (including negligence OR otherwise)
* Arising in no WAY out of the "use of" this SOFTWARE, even IF advised of the
* Possibility of SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun ' s Java ' steaming coffee
* Cup "logo are trademarks of Sun Microsystems. Sun ' s, James Gosling ' s,
* Pioneering role in inventing and promulgating (and standardizing) the Java
* Language and environment is gratefully acknowledged.
*
* The pioneering role is Dennis Ritchie and Bjarne Stroustrup, of At&t, for
* Inventing predecessor Languages C and C + + is also gratefully acknowledged.
*/
Importjava.util.regex.*;
/**
* Common fields for Apache Log demo.
*/
InterfaceLogexample {
/** the number of fields that must is found. */
Public static Final intNum_fields = 9;
/** the sample log entry to be parsed. */
Public static FinalString logentryline = "123.45.67.89--[27/oct/2000:09:27:09-0400]/" get/java/javaresources.html http/1.0/"200 10450 /"-/"/"mozilla/4.6 [en] (X11; U OpenBSD 2.8 i386; NAV)/"";
}
/**
* Parse an Apache log file with Regular Expressions
*/
Public classLogregexpImplementsLogexample {
Public Static voidMain (String argv []) {
String Logentrypattern = "^" ([//d.] +) (//s+) (//s+)//[([//w:/]+//s[+//-]//d{4})//]/"(. +?) /"(//d{3}) (//d+)/" ([^/]+)/"/" ([^/"]+")/"";
System.out.println ("Using RE pattern:");
System.out.println (Logentrypattern);
System.out.println ("Input line is:");
System.out.println (Logentryline);
Pattern p = pattern.compile (Logentrypattern);
Matcher Matcher = P.matcher (logentryline);
if(!matcher.matches () | |
Num_fields!= Matcher.groupcount ()) {
SYSTEM.ERR.PRINTLN ("Bad log entry (or problem with RE?):");
System.err.println (Logentryline);
return;
}
System.out.println ("IP Address:" + matcher.group (1));
System.out.println ("Date&time:" + matcher.group (4));
System.out.println ("Request:" + matcher.group (5));
System.out.println ("Response:" + matcher.group (6));
System.out.println ("Bytes Sent:" + matcher.group (7));
if(!matcher.group (8). Equals ("-"))
System.out.println ("Referer:" + matcher.group (8));
System.out.println ("Browser:" + matcher.group (9));
}
} |
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